第一個沒有交換子的三相异步电动机是由费拉里斯在1885年发明,並製作可用的電動機。而尼古拉·特斯拉在1887年獨立发明三相异步电动机。特斯拉在1887年11月申請了美國專利,部份專利在1888年5月獲准。而费拉里斯在1888年向杜林皇家科學會提出实验报告,对旋转磁场(英语:Rotating magnetic field)作了严格的科学描述,为以后开发异步电动机、自起动电动机奠定了基础。费拉里斯相信他所提出的旋转磁场理论以及他所开发的新产品在科学上的价值远远超过物质上的价值,因此他有意不为自己的发明申请专利,而是在实验室向公众演示这些最新成果[5][8]。特斯拉在同年5月向美国电气工程学会(AIEE)提交了技術論文《交流電動機及變壓器的新系統》(A New System for Alternating Current Motors and Transformers)[9][10][11][12][13],其中描述了三種四極電動機的架構:其中一個有四極轉子,是無法自啟動的磁阻馬達、另一個是轉子繞組接直流電的同步馬達,最後一個則是可以自啟動的繞線轉子感應电动机。
在半導體电力电子学發展之前,很難去改變電氣頻率。當時的感應電動機主要是用在定速的應用。像是電動吊車等應用會用直流電動機驅動,另外一種作法是用有滑環的繞線轉子馬達(WRIM,也稱為滑環電動機),將轉子接到外加的可變電阻來調整速度。不過在繞線轉子馬達低速運作時,電阻的功率損失是一大缺點。尤其是在定速的場合下[36]。現今有許多大型的滑環電動機仍在使用,這些系統稱為滑環能量回收系統(slip energy recovery system),從轉子電路回收能量,整流後,再利用逆變器將電回送到電源。
級聯
二個滑環電動機的速度可以用級聯(cascade)接線的方式控速。其作法是將一個電動機的轉子連接到另一個電動機的定子[37][38]。若這二個電動機的轉子是以機械方式耦合,二個電動機會以半速運轉,早期三相交流火車的火車頭(例如FS Class E.333(英语:FS Class E.333))曾用此一技術。
^ 5.05.1Vučković, Vladan. Interpretation of a Discovery(PDF). The Serbian Journal of Electrical Engineers. November 2006, 3 (2) [2013-02-10]. (原始内容存档(PDF)于2013-07-04).
^Kennelly, A. E. Impedance. Transactions of the American Institute of Electrical Engineers. Jan 1893, X: 172–232 [2019-02-17]. doi:10.1109/T-AIEE.1893.4768008. (原始内容存档于2014-11-06).
^ 26.026.1Alger, Philip L.; et al. 'Induction Machines' sub-section of Sec. 7 - Alternating-Current Generators and Motors. Knowlton, A.E. (编). Standard Handbook for Electrical Engineers 8th. McGraw-Hill: 705. 1949.
^Induction (Asynchronous) Motors(PDF). Mississippi State University Dept of Electrical and Computer Engineering, Course ECE 3183, 'Electrical Engineering Systems for non-ECE majors'. [2012-12-02]. (原始内容(PDF)存档于2016-05-15).
^Induction Motors. electricmotors.machinedesign.com. Penton Media, Inc. [2016-04-12]. (原始内容存档于2007-11-16).
^NEMA MG-1定義 a) 崩潰轉矩(Breakdown torque)是電動機在額定頻率額定電壓下,沒有速度突然變化的情形下可產生的最大轉矩 b) 堵轉轉矩(locked-rotor torque)是電動機靜止,在額定頻率額定電壓的最小轉矩 c) 啟動轉矩(pull-up torque)是電動機從靜止到出現崩潰轉矩的過程中,所產生的最小轉矩
Questa voce sull'argomento calciatori beninesi è solo un abbozzo. Contribuisci a migliorarla secondo le convenzioni di Wikipedia. Segui i suggerimenti del progetto di riferimento. Gérard Adanhoume Nazionalità Benin Altezza 184 cm Calcio Ruolo Centrocampista Squadra ASPAC Cotonou Carriera Squadre di club1 2006-2012 Soleil? (?)2012-ASPAC Cotonou? (?) Nazionale 2011 Benin2 (0) 1 I due numeri indicano le presenze e le reti segnate, per le sole partite di campionato.Il simbolo → …
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